Which country developed the Pfizer COVID-19 vaccine?

Which country developed the Pfizer COVID-19 vaccine?

فائزر کووڈ-19 ویکسین کس ملک نے تیار کی؟
Explanation

The USA developed the Pfizer COVID-19 vaccine in collaboration with BioNTech, a German company.

It was one of the first COVID-19 vaccines authorized for emergency use.